Vitamin B12 deficiency is a significant concern among patients with end-stage renal disease undergoing dialysis.However,there hasn’t been extensive research conducted on this particular patient group.The reported inc...Vitamin B12 deficiency is a significant concern among patients with end-stage renal disease undergoing dialysis.However,there hasn’t been extensive research conducted on this particular patient group.The reported incidence rates vary widely,ranging from 20%to 90%,reflecting the complexity of its diagnosis.Dialysis patients often face multiple nutritional deficiencies,including a lack of essential vitamins,due to factors such as dietary restrictions,impaired absorption,and nutrient loss during dialysis.Diagnosing vitamin B12 deficiency in these patients is challenging,and addressing it is crucial to prevent complications and improve their overall quality of life.This review paper delves into the available body of evidence on vitamin B12 deficiency in dialysis patients,examining the contributing risk factors,diagnostic challenges,potential complications,and available treatment options.It provides a well-rounded perspective on the topic,making it a valuable resource for researchers,healthcare practitioners,and policymakers interested in addressing the nutritional needs of dialysis patients.展开更多
The authors report a case of deficient sensory neuropathy secondary to vitamin B12 deficiency, diagnosed in the neurology department of the Sino-Central African Friendship University Hospital in Bangui. The diagnosis ...The authors report a case of deficient sensory neuropathy secondary to vitamin B12 deficiency, diagnosed in the neurology department of the Sino-Central African Friendship University Hospital in Bangui. The diagnosis was made possible by electroneuromyography which showed subclinical neurological damage associated with hematological damage (anemia). Through this observation, we recall the diagnostic criteria of the disease in a context of difficult medical practice. .展开更多
Diabetes mellitus(DM)is still one of the most common diseases worldwide,and its prevalence is still increasing globally.According to the American and European recommendations,metformin is considered a first-line oral ...Diabetes mellitus(DM)is still one of the most common diseases worldwide,and its prevalence is still increasing globally.According to the American and European recommendations,metformin is considered a first-line oral hypoglycemic drug for controlling type 2 DM(T2DM)patients.Metformin is the ninth most often prescribed drug in the world,and at least 120 million diabetic people are estimated to receive the drug.In the last 20 years,there has been increasing evidence of vitamin B12 deficiency among metformin-treated diabetic patients.Many studies have reported that vitamin B12 deficiency is related to the malabsorption of vitamin B12 among metformin-treated T2DM patients.Vitamin B12 deficiency may have a very bad complication for the T2DM patient.In this review,we will focus on the effect of metformin on the absorption of vitamin B12 and on its proposed mechanisms in hindering vitamin B12 absorption.In addition,the review will describe the clinical outcomes of vitamin B12 deficiency in metformintreated T2DM.展开更多
Objective This study aimed to evaluate the associations of serum folate and/or vitamin B12 concentrations with obesity among Chinese children and adolescents.Methods A cross-sectional study was conducted including 3,0...Objective This study aimed to evaluate the associations of serum folate and/or vitamin B12 concentrations with obesity among Chinese children and adolescents.Methods A cross-sectional study was conducted including 3,079 Chinese children and adolescents,aged 6 to 17 years,from Jiangsu,China.Anthropometric indices,such as,children's body mass index(BMI),BMI z-scores,waist circumference,and waist-to-height ratio were utilized.Multivariable linear regression and generalized additive models were used to investigate the associations of serum folate and vitamin B12 levels with anthropometric indices and odds of obesity.Results We observed that serum vitamin B12 concentrations were inversely associated with all anthropometric indices and the odds of general obesity[odds ratio(OR)=0.68;95%confidence interval(CI)=0.59,0.78]and abdominal obesity(OR=0.68;95%CI=0.60,0.77).When compared to participants with both serum vitamin levels in the two middle quartiles,those with both serum folate and vitamin B12 levels in the highest quartile were less prone to general(OR=0.31,95%CI=0.19,0.50)or abdominal obesity(OR=0.46,95%CI=0.31,0.67).Conversely,participants with vitamin B12 levels in the lowest quartile alongside folate levels in the highest quartile had higher odds of abdominal obesity(OR=2.06,95%CI=1.09,3.91).Conclusion Higher serum vitamin B12 concentrations,but not serum folate concentrations,were associated with lower odds of childhood obesity.Children and adolescents with high levels of vitamin B12 and folate were less likely to be obese.展开更多
目的探讨硫必利、维生素B12联合经颅磁刺激(transcranial magnetic stimulation,TMS)治疗儿童抽动障碍(tic disorder,TD)的疗效及其对血清S100β蛋白的影响。方法选取2021年9月至2023年9月厦门市中医院收治的TD患儿100例,根据随机数字...目的探讨硫必利、维生素B12联合经颅磁刺激(transcranial magnetic stimulation,TMS)治疗儿童抽动障碍(tic disorder,TD)的疗效及其对血清S100β蛋白的影响。方法选取2021年9月至2023年9月厦门市中医院收治的TD患儿100例,根据随机数字表法将其分为观察组和对照组,每组各50例。对照组患儿给予硫必利、维生素B12治疗,观察组患儿给予硫必利、维生素B12联合TMS治疗,观察两组患儿的临床疗效、血清S100β蛋白水平、神经功能和不良反应。结果观察组患儿的总有效率显著高于对照组(χ^(2)=6.061,P=0.014)。治疗后,两组患儿的血清S100β蛋白水平均显著低于本组治疗前,感觉、运动评分均显著高于本组治疗前(P<0.05),且观察组患儿的血清S100β蛋白水平显著低于对照组,感觉、运动评分均显著高于对照组(P<0.05)。两组患儿的不良反应发生率比较差异无统计学意义(χ^(2)=0.177,P=0.674)。结论硫必利、维生素B12联合TMS治疗TD患儿的疗效显著,能够降低血清S100β蛋白水平,有效改善神经功能,且安全性良好。展开更多
文摘Vitamin B12 deficiency is a significant concern among patients with end-stage renal disease undergoing dialysis.However,there hasn’t been extensive research conducted on this particular patient group.The reported incidence rates vary widely,ranging from 20%to 90%,reflecting the complexity of its diagnosis.Dialysis patients often face multiple nutritional deficiencies,including a lack of essential vitamins,due to factors such as dietary restrictions,impaired absorption,and nutrient loss during dialysis.Diagnosing vitamin B12 deficiency in these patients is challenging,and addressing it is crucial to prevent complications and improve their overall quality of life.This review paper delves into the available body of evidence on vitamin B12 deficiency in dialysis patients,examining the contributing risk factors,diagnostic challenges,potential complications,and available treatment options.It provides a well-rounded perspective on the topic,making it a valuable resource for researchers,healthcare practitioners,and policymakers interested in addressing the nutritional needs of dialysis patients.
文摘The authors report a case of deficient sensory neuropathy secondary to vitamin B12 deficiency, diagnosed in the neurology department of the Sino-Central African Friendship University Hospital in Bangui. The diagnosis was made possible by electroneuromyography which showed subclinical neurological damage associated with hematological damage (anemia). Through this observation, we recall the diagnostic criteria of the disease in a context of difficult medical practice. .
文摘Diabetes mellitus(DM)is still one of the most common diseases worldwide,and its prevalence is still increasing globally.According to the American and European recommendations,metformin is considered a first-line oral hypoglycemic drug for controlling type 2 DM(T2DM)patients.Metformin is the ninth most often prescribed drug in the world,and at least 120 million diabetic people are estimated to receive the drug.In the last 20 years,there has been increasing evidence of vitamin B12 deficiency among metformin-treated diabetic patients.Many studies have reported that vitamin B12 deficiency is related to the malabsorption of vitamin B12 among metformin-treated T2DM patients.Vitamin B12 deficiency may have a very bad complication for the T2DM patient.In this review,we will focus on the effect of metformin on the absorption of vitamin B12 and on its proposed mechanisms in hindering vitamin B12 absorption.In addition,the review will describe the clinical outcomes of vitamin B12 deficiency in metformintreated T2DM.
基金supported by the National Health Commission of the People’s Republic of China Medical Reform Major Program:China National Chronic Diseases and Nutrition Surveillance of Adults[2015-2017]Qianrang Zhu is funded by a China Scholarship Council PhD Scholarship[No.202109110099].
文摘Objective This study aimed to evaluate the associations of serum folate and/or vitamin B12 concentrations with obesity among Chinese children and adolescents.Methods A cross-sectional study was conducted including 3,079 Chinese children and adolescents,aged 6 to 17 years,from Jiangsu,China.Anthropometric indices,such as,children's body mass index(BMI),BMI z-scores,waist circumference,and waist-to-height ratio were utilized.Multivariable linear regression and generalized additive models were used to investigate the associations of serum folate and vitamin B12 levels with anthropometric indices and odds of obesity.Results We observed that serum vitamin B12 concentrations were inversely associated with all anthropometric indices and the odds of general obesity[odds ratio(OR)=0.68;95%confidence interval(CI)=0.59,0.78]and abdominal obesity(OR=0.68;95%CI=0.60,0.77).When compared to participants with both serum vitamin levels in the two middle quartiles,those with both serum folate and vitamin B12 levels in the highest quartile were less prone to general(OR=0.31,95%CI=0.19,0.50)or abdominal obesity(OR=0.46,95%CI=0.31,0.67).Conversely,participants with vitamin B12 levels in the lowest quartile alongside folate levels in the highest quartile had higher odds of abdominal obesity(OR=2.06,95%CI=1.09,3.91).Conclusion Higher serum vitamin B12 concentrations,but not serum folate concentrations,were associated with lower odds of childhood obesity.Children and adolescents with high levels of vitamin B12 and folate were less likely to be obese.
文摘目的探讨硫必利、维生素B12联合经颅磁刺激(transcranial magnetic stimulation,TMS)治疗儿童抽动障碍(tic disorder,TD)的疗效及其对血清S100β蛋白的影响。方法选取2021年9月至2023年9月厦门市中医院收治的TD患儿100例,根据随机数字表法将其分为观察组和对照组,每组各50例。对照组患儿给予硫必利、维生素B12治疗,观察组患儿给予硫必利、维生素B12联合TMS治疗,观察两组患儿的临床疗效、血清S100β蛋白水平、神经功能和不良反应。结果观察组患儿的总有效率显著高于对照组(χ^(2)=6.061,P=0.014)。治疗后,两组患儿的血清S100β蛋白水平均显著低于本组治疗前,感觉、运动评分均显著高于本组治疗前(P<0.05),且观察组患儿的血清S100β蛋白水平显著低于对照组,感觉、运动评分均显著高于对照组(P<0.05)。两组患儿的不良反应发生率比较差异无统计学意义(χ^(2)=0.177,P=0.674)。结论硫必利、维生素B12联合TMS治疗TD患儿的疗效显著,能够降低血清S100β蛋白水平,有效改善神经功能,且安全性良好。
